the vet's #1 choice. >>> reporter: they took shelley nance's body back to italy, texas, not quite a weekr funeral at the family's church. and it seemed like the whole town was there, along with many of shelley's fellow students from the art institute of dallas. >> it's the most horrible thing we've ever been through. >> the day after the funeral, i was ready to kill somebody. >> reporter: the institute held a memorial, too. and it was there shelley's parents met nathan for the first time. >> he come up and wanted to shake my hand and i couldn't do it. i didn't wanna look at him, i didn't wanna touch him because if he had somethin' to do with killin' my shelley i didn't wanna pretend that it was okay. >> reporter: shelley nance was just 20 when she was attacked and killed in her off-campus apartment here in dallas. tiny, quiet, sweet, and defenseless. the last person anyone would want dead, everyone said that. but clearly someone did. the police already had ashley on their list of suspects. >> i've interviewed her. i'm satisfied that i can set her to the side for the time being. she's not